Add 72/70 and 48/9, Solve 1 2/70 + 5 3/9 as a fraction

Add 72/70 and 48/9

1^st number: 1 2/70, 2^nd number: 5 3/9

72/70 + 48/9 is 668/105.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630
Likewise, for the 2nd fraction, since 9 × 70 = 630,
48/9 = 48 × 70/9 × 70 = 3360/630
Add the two like fractions:
648/630 + 3360/630 = 648 + 3360/630 = 4008/630
4008/630 simplified gives 668/105
So, 72/70 + 48/9 = 668/105
In mixed form: 638/105

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